Space Crossword!!

123456789
Across
  1. 1. Large chunks of ice, dust, and rock
  2. 6. Massive collections of gas
  3. 8. Piece of metal or rock
  4. 9. huge collection of gas, dust with billions of stars and planets
Down
  1. 2. type of satellite
  2. 3. Falling and rising of bodies of water
  3. 4. Large celestial objects
  4. 5. Study of space
  5. 7. Everything that exist